Home / 13,986,586.32-20,981,333.88-5,350,667.28

Finding the Fourth Proportional to 13,986,586.32, 20,981,333.88 and 5,350,667.28

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Solution

The fourth proportional to 13,986,586.32, 20,981,333.88 and 5,350,667.28 is: 8,026,557.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986,586.32 : 20,981,333.88 = 5,350,667.28 : x
  2. Step 2: Convert to fraction form
    13,986,586.32/20,981,333.88 = 5,350,667.28/x
  3. Step 3: Cross multiply
    13,986,586.32x = 20,981,333.88 × 5,350,667.28
  4. Step 4: Simplify right side
    13,986,586.32x = 112,264,136,682,471.45
  5. Step 5: Solve for x
    x = 112,264,136,682,471.45/13,986,586.32
  6. Step 6: Final answer
    x = 8,026,557.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.